Year-End SaleEnds 1/1/26. Limited quantities. No rainchecks.

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Front. Anker - PowerCore III 20K mAh USB-C Portable Battery Charger - Black.
  • Alt View 1. Anker - PowerCore III 20K mAh USB-C Portable Battery Charger - Black.

Anker - PowerCore III 20K mAh USB-C Portable Battery Charger - Black

Model:
A1364H11-1
SKU:
6482792
Highly rated by customers for:
Your price for this item is $13.99
Clearance
The comparable value price is $59.99

Customer reviews

Rating 4.7 out of 5 stars with 1403 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

93%would recommend to a friend

Customers are saying

Customers have good things to say about the PowerCore III 20K mAh USB-C Portable Battery Charger's long battery life, convenient portability, and compact size. Many appreciate its multiple charging ports, including USB-C, and find the performance and design to be excellent. While some find it a bit heavy, most agree it's a worthwhile purchase.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 56 Showing 1,101-1,120 of 1,403 reviews

  • Great product

    |
    |
    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have used this product in the past, so when I lost my other one , I knew I needed to get the same brand.

    I would recommend this to a friend

  • Needs to charge itself faster

    |
    |
    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent but when I charge it, slow very very slow

    I would recommend this to a friend

  • Portable charger

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice!! Best portable charger on the market !!!!!!!!

    I would recommend this to a friend

  • Powerful

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great charger, very powerful, for 2 Devices. The only downside is that it takes a while to get charged.

    I would recommend this to a friend

  • Works as advertised

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Does what it is supposed to do but it could charge faster. When recharging this battery pack, if it is really low it takes 8 hours or more to bring it up to fully charged,

    I would recommend this to a friend

  • The best wuality

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am happy, i bought these for my parents who are in Zimbabwe. They are extremely happy

    I would recommend this to a friend

  • It not bad

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It works for about a week it takes about 5 hours to charge

    I would recommend this to a friend

  • Anker Poercore3

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great Product workis as described very helpful when you rub low in power

    I would recommend this to a friend

  • Great powerbank

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a great power and was a replacement for an older model that had been damaged.

    I would recommend this to a friend

  • Power bank

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product worth the price I would Recommend charge my phone and iPad

    I would recommend this to a friend

  • Great battery

    |
    |
    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Slightly big, but I get tons of use for it. Very effective.

    I would recommend this to a friend

  • Nice

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The product works well. I am happy with the product.

    I would recommend this to a friend

  • ⭐️⭐️⭐️⭐️⭐️

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I totally recommend this portable charger, Anker is a really good brand.

    I would recommend this to a friend

  • Wanted & finally got it a year layer

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My son wanted this last Christmas but sold out. This year, he finally got it for Christmas and very excited.

    I would recommend this to a friend

  • Good buy for $100!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good, works as advertised and versatile! Perfect for a long car trip!

    I would recommend this to a friend

  • Battery

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    First one we bought was defective but was able to return and get a new one very easily! So far so good!!

    I would recommend this to a friend

  • Take it with you!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This model is powerful. I took it on a trip and it performed as the salesman said.

    I would recommend this to a friend

  • Good battery

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Now that traveling resume, I need a safe reliable battery and this one does it!

    I would recommend this to a friend

  • Nice portable battery

    |
    |
    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice portable battery, little slow charging time but great option anyway

    I would recommend this to a friend

  • Long lasting battery

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent long lasting battery keeps all my game day equipment running all day long .

    I would recommend this to a friend
Page 56, Showing 1,101-1,120 of 1,403 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.